An instrument which measures the rate of regularly recurring variations in an electric current or voltage and is usually calibrated in hertz (cycles per second or cps). The value may be expressed by means of a pointer and calibrated dial vibrating reed or a digital read out display. For instruments which measure radio frequencies, see calibrator, frequency; and wavementer. excludes: counter electronic digital.
Classification: Parts and accessories of articles of schedule b subheading 9030.39
NSN 5950-01-025-9918
NSN 5930-00-024-8545
NSN 5920-00-469-2648
NSN 4140-01-611-7159
NSN 5965-01-084-6921
NSN 6610-01-291-4173
NSN 5835-01-259-0859
NSN 6240-01-580-0609
NSN 6645-00-285-8781
NSN 6145-01-611-8768
NSN 5996-01-309-9162
NSN 5999-01-054-6696